Inventor · disambiguated record
Marcus Smedley
Also filed as: SMEDLEY MARCUS · SMEDLEY MARCUS A · SMEDLEY MARCUS ALAN
8 granted patents·138 citations·filing 1991–2023
87Inventor score
Technology areasE21B
Top patents by PatentIndex Score
8 records- 0193US11773678B2Barrier arrangement in wellhead assemblyDRIL QUIP INC·Filed 2022·Granted Oct 3, 2023·8 cites·20 claims
- 0288US11542778B2Barrier arrangement in wellhead assemblyDRIL QUIP INC·Filed 2019·Granted Jan 3, 2023·6 cites·20 claims
- 0371US12084937B2Barrier arrangement in wellhead assemblyDRIL QUIP INC·Filed 2023·Granted Sep 10, 2024·0 cites·16 claims
- 0471US6640902B2Nested stack-down casing hanger system for subsea wellheadsFMC TECHNOLOGIES·Filed 2002·Granted Nov 4, 2003·41 cites·16 claims
- 0566US7008141B2Collapsible buoyancy device for risers on offshore structuresFMC TECHNOLOGIES·Filed 2000·Granted Mar 7, 2006·37 cites·23 claims
- 0660US6557638B2Concentric tubing completion systemFMC TECHNOLOGIES·Filed 2001·Granted May 6, 2003·26 cites·20 claims
- 0742US5176218AAdjustable mandrel well casing hangerFMC CORP·Filed 1991·Granted Jan 5, 1993·18 cites·10 claims
- 0830US7156039B2Keel guide systemFMC TECHNOLOGIES·Filed 2003·Granted Jan 2, 2007·2 cites·25 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →